Objective: Certain constituents of the test waste were know to be biodegradable but were suspected of being toxic to aerobic biological processes when present in high concentrations. The objective was then to determine how much waste could be added to an activated sludge process before toxic impacts would be ...

ByChallenge Technology based in Springdale, ARKANSAS (USA)

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Research Respirometer Equipment for Measuring Oxygen Uptake Rates and Short-Term BOD

Measurement of oxygen uptake rates in activated sludge processes is essential to their satisfactory operation. Traditionally, oxygen uptake rates (OUR) have been determined by using a dissolved oxygen probe to measure the change in dissolved oxygen in a BOD bottle. ...

ByChallenge Technology based in Springdale, ARKANSAS (USA)

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Research Respirometer Equipment for Pulp Mill Wastewater Industry

A pulp mill was interested in evaluating the impact of increasing organic loading rates on the performance of their activated sludge ...

ByChallenge Technology based in Springdale, ARKANSAS (USA)

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Water treatment in the future Energy in focus

Water treatment is undergoing a profound transformation and is gaining in importance worldwide. Water is an increasingly scarce commodity. Particularly in poorer countries, it is not available in sufficient quantities. Bottlenecks are becoming more and more severe due to growing demand on the part of industry, agriculture and energy generation. Although problems such as water scarcity are of limited relevance here in Germany, a responsible, resource-saving approach to water is an important issue for the future. ...

ByAerzener Maschinenfabrik GmbH based in Aerzen, GERMANY

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